en.Wedoany.com Reported - RusHydro (РусГидро) has increased the installed capacity of the Nizhny Novgorod Hydroelectric Power Plant (Нижегородская ГЭС) to 545.5 MW by replacing unit No. 4. The unit's generating capacity rose from 65 MW to 72.5 MW in the first quarter of 2026. According to the company's press office, this is the third of eight units at the plant to undergo modernization.

Currently, the Nizhny Novgorod Hydroelectric Power Plant has begun replacing unit No. 7. After the phased modernization of all units is completed, the plant's installed capacity will reach 580 MW. In addition to core equipment, the upgrade also includes the renewal of the power output system and a range of plant-wide systems, including transformers, switchgear, gates, compressor equipment, dehumidification systems, fire protection systems, lighting systems, and drainage systems. The road passage on the plant's structures is also being renovated.

The Nizhny Novgorod Hydroelectric Power Plant is the fourth stage of the Volga River cascade of hydroelectric plants. It not only supplies electricity to Russia's Unified Energy System but also ensures navigation on the Volga River and regulates power load during peak hours.

RusHydro's comprehensive modernization program has increased the total installed capacity of its hydroelectric plants by 719 MW, equivalent to adding a new large-scale hydroelectric plant. During the program's implementation, the company has replaced and upgraded 153 turbines, 167 generators, 114 power transformers, and over 10,000 units of auxiliary equipment.

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